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    • 35. 发明授权
    • Vinylidene fluoride copolymers
    • 偏二氟乙烯共聚物
    • US08337725B2
    • 2012-12-25
    • US12596475
    • 2008-04-22
    • Julio AbuslemeRiccardo PieriEmma Barchiesi
    • Julio AbuslemeRiccardo PieriEmma Barchiesi
    • H01B1/06C08L27/12C08F236/16
    • C08F214/22B01D69/02B01D71/34B01D71/40B01D71/76B01D2325/36C08F214/225C08J5/2237C08J2327/16H01M4/621
    • The present invention pertains to a linear semi-crystalline copolymer [polymer (A)] comprising recurring units derived from vinylidene fluoride (VDF) monomer and at least one hydrophilic (meth)acrylic monomer (MA) of formula: wherein each of R1, R2, R3, equal or different from each other, is independently an hydrogen atom or a C1-C3 hydrocarbon group, and ROH is a hydrogen or a C1-C5 hydrocarbon moiety comprising at least one hydroxyl group, said polymer (A) comprising from 0.05 to 10% by moles of recurring units derived from said hydrophilic (meth)acrylic monomer (MA) and being characterized by a fraction of randomly distributed units (MA) of at least 40%, having improved thermal stability, to a process for its manufacture, to a composition comprising the same, and to its use as binder in batteries or for the manufacture of hydrophilic membranes.
    • 本发明涉及包含衍生自偏氟乙烯(VDF)单体和至少一种下式的亲水(甲基)丙烯酸单体(MA))的重复单元的线性半结晶共聚物[聚合物(A)]:其中R1,R2 相同或不同的R 3独立地为氢原子或C 1 -C 3烃基,ROH为氢或包含至少一个羟基的C 1 -C 5烃部分,所述聚合物(A)包含0.05 至10%(摩尔)衍生自所述亲水性(甲基)丙烯酸类单体(MA)的重复单元,其特征在于其制造方法中具有至少40%的随机分布单元(MA)的分数具有改善的热稳定性 涉及包含其的组合物,以及其作为电池中的粘合剂或用于制造亲水膜的用途。